Etymograph

English

liquidus

Liquidus comes from Latin liquidus ‘liquid, fluid, flowing’, and goes back to Proto-Indo-European *wleykʷ- ‘moist, to wet’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wleykʷ-‘moist, to wet’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*wlikʷéh₁yetireconstructed
  3. Proto-Italicc. 1500–700 BCE*(w)likʷēōreconstructed
  4. Latinc. 75 BCE–200 CEliqueō‘to be liquid’
  5. Latin, derivedc. 75 BCE–200 CEliquidus‘liquid, fluid, flowing’
  6. Englishtodaysame form

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wleykʷ-‘moist, to wet’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*wlikʷéh₁yetireconstructed
  3. Proto-Italicc. 1500–700 BCE*(w)likʷēōreconstructed
  4. Latinc. 75 BCE–200 CEliqueō‘to be liquid’
  5. Latin, derivedc. 75 BCE–200 CEliquidus‘liquid, fluid, flowing’
  6. Englishtodaysame form

Every English word from Proto-Indo-European *wleykʷ-

Today it means

noun A line, in a phase diagram, above which a given substance is a stable liquid and below which solid and liquid are in equilibrium.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *wleykʷ- / liquidus

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